Load Balancing Outgoing, its possible ?

[Daniel Dias Gonçalves]

Corey Smith escreveu:

>On Fri, 2005-10-28 at 17:19 +0200, G Bryant wrote:
>  
>
>>Daniel Dias Gonçalves wrote:
>>
>>    
>>
>>>It is possible to make this balancing with the PF ? Exists some 
>>>software that I make this ? Zebra can help me?
>>>This type of balancing gives to problems with the navigation of the 
>>>user of NAT or IP valid ?
>>>If it is possible, wanted to see examples with rules.
>>>
>>>      
>>>
>
>It would be much better to do per flow load balancing then per packet.
>With per packet your TCP flows will arrive out of order which is a bad
>situation since it will lead to a large number of retransmissions and
>zero-window acknowledgments.
>
>The only tunable to help correct that is to allow selective
>acknowledgments.
>
>You are going to get much higher utilization on your load balanced lines
>by using per flow with multiple TCP connections.
>
>Anybody know how to implement per flow load balancing in FreeBSD?  Are
>multiple default routes supported?
>
>It would be beautiful if you could put multiple routes with the same
>metric into the kernel and then the kernel would enable per flow load
>balancing of the routes...
>  
>
It would be very good if could make this.

>-Corey Smith
>
>
>  
>
Which the solution?

-- 
Daniel Dias Gonçalves
DGNET Network Solutions
daniel at dgnetwork.com.br
(37) 99824809